Answer
a.
Work Step by Step
Homo sapiens are characterized by larger brains, small teeth and jaws, and prominent chins protruding from the bottom of the lower jaw. None of the other species belonging to the Homo genus had prominent chins.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.